🏷️ Basic Information Identification Make: Porsche Model: 968 Model Generation: Third Generation Production Years Covered: 1991-1995 Codes Internal Project Code: 944 S3 (Development code) 👋 Introduction Market Position Segment: Front-engine, rear-wheel-drive, 2+2 sports coupe/cabriolet Competitive Analysis Key Competitors: Chevrolet Corvette C4, Dodge Viper RT/10, Nissan 300ZX Z32, Toyota Supra Mk4, BMW 8 Series (E31) Key Features Unique Selling Points: Transaxle layout, advanced variable valve timing (Variocam), powerful inline-4 engine, refined handling, Porsche build quality. Target Audience Owner Profile: Enthusiasts seeking a reliable, performance-oriented Porsche with a distinct character and accessible maintenance. 📋 Manual Details Coverage Areas Comprehensive Coverage: Yes Specific Systems Covered: Engine, Drivetrain, Suspension, Brakes, Steering, Electrical, Body, HVAC, Security Page Count Total Pages: 767 Manual Type Type: Workshop Manual / Repair Manual / Service Manual Language Language: English Format File Format: PDF Digital Compatibility: Windows/macOS 📖 Manual Coverage Systems Covered Engine Mechanical: Crankcase, Engine Mounts, Crankshaft, Pistons, Lubrication Engine Fuel And Ignition: Fuel Supply, Fuel System-Electronic Injection, Ignition System, DME-Diagnosis Suspension And Steering: Front & Rear Wheel Suspension, Wheels, Tires, Alignment, Steering Braking System: Brakes, Mechanical, Hydraulic Brake System Body And Interior: Body, Glasses, Window Control, Seats Electrical And Electronics: Wiring Diagrams, Alarm System Comfort Systems: Air Conditioning Procedures Included Maintenance Procedures: Scheduled maintenance, fluid checks, filter replacements, inspections Diagnostic Procedures: Self-Diagnosis, DME Diagnosis, troubleshooting guides Repair Procedures: Step-by-step instructions for component removal, installation, and adjustment Technical Specifications Data: Torque values, clearances, fluid capacities, electrical specifications Technical Depth Depth: Comprehensive: Covers from basic maintenance to complex repairs and diagnostics. 📊 Manual Specifications File Format PDF Quality: High Resolution, Searchable Text Print Quality Printable: Yes Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M6.04 (based on M44.xx series) Configuration: Inline 4-cylinder Displacement: 3.0 liters (2990 cc) Bore X Stroke: 104.0 mm x 88.0 mm Compression Ratio: 11.1:1 Performance Horsepower: 237 bhp @ 6200 rpm Torque: 225 lb-ft @ 4800 rpm Fuel System Injection Type: Bosch Motronic 2.10 (Electronic Fuel Injection with Distributorless Ignition) Fuel Type: Unleaded Premium (91 RON or higher) Engine Management Variable Valve Timing: Variocam (Variable Camshaft Timing) 🔧 Transmission Standard Type: 6-speed Manual (Getrag G96/00) Optional Type: Tiptronic Automatic (4-speed) Features Drivetrain Layout: Rear-wheel drive with transaxle design 📐 Dimensions Exterior Length: 4435 mm (174.6 in) Width: 1735 mm (68.3 in) Height: 1280 mm (50.4 in) Wheelbase: 2500 mm (98.4 in) Weights Curb Weight Manual: 1450 kg (3197 lbs) Curb Weight Tiptronic: 1470 kg (3241 lbs) Gross Vehicle Weight: 1800 kg (3968 lbs) Wheels And Tires Front Wheel Size: 17 x 7.5J Rear Wheel Size: 17 x 9J Front Tire Size: 225/45 ZR 17 Rear Tire Size: 255/40 ZR 17 Wheel Bolt Pattern: 5 x 130 🛡️ Safety Features Ratings Crash Test Results: No official NHTSA/Euro NCAP ratings available from the era, but Porsche safety standards were high for its class. Active Features Braking System: ABS (Anti-lock Braking System) standard on all models Traction Control: Optional (ASR - Automatic Slip Regulation) Passive Features Airbags: Driver and passenger airbags standard Seat Belts: 3-point inertia-reel seatbelts Chassis Structure: Reinforced safety cell, energy-absorbing zones 💡 Technology Features Infotainment Audio System: Factory premium sound systems (e.g., Blaupunkt Symphony) Navigation: Rarely factory-equipped, typically aftermarket additions Driver Assistance Stability Control: ASR (Traction Control) optional Connectivity Auxiliary Input: Not standard, typically aftermarket installation 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,000 miles) or 1 year, whichever comes first. Major Service Interval: Refer to manual for specific mileage/time-based major services (e.g., timing belt inspection/replacement). Fluid Specifications Engine Oil Type: Mobil 1 0W-40 or equivalent synthetic (check manual for exact Porsche A40 approval if applicable or superseded) Engine Oil Capacity: 8.5 liters (9.0 US quarts) Coolant Type: G12 Plus (or equivalent VW TL 774 F specification) antifreeze Brake Fluid Type: DOT 4 Transmission Fluid Manual: Porsche Specification (e.g., Pentosin MTF LT-2 or equivalent GL-4 75W-90) Transmission Fluid Tiptronic: Dexron III ATF or equivalent (check manual for precise Porsche spec) Known Issues Common Problems: Timing belt tensioner failure (critical), fuel accumulator issues, HVAC blower motor resistor failure, window regulator problems, differential seals, ABS sensor failures. Common Issues Engine Specific Notes: Variocam system can be sensitive to oil quality and maintenance. Check for oil leaks from crank seals and oil cooler lines. 📚 Vehicle History Brand Heritage Porsche Legacy: Continuation of Porsche's lineage of front-engine, rear-wheel-drive sports cars, evolving from the 924 and 944. Model Evolution Predecessor: Porsche 944 S2 Key Differences From 944: New 3.0L engine, revised styling (especially front end), updated interior, improved aerodynamics, introduction of Variocam. Production Production Location: Neckarsulm, Germany (formerly Audi NSU plant) Total Production Numbers: Approximately 12,439 units worldwide (Coupe and Cabriolet combined). 🏆 Awards & Recognition Recognitions Automotive Press Acclaim: Frequently praised for its driving dynamics, balance, and handling characteristics, often considered a more accessible...